特殊路基是指修建在不良地质现象，特殊地形地质情况，某些特殊气候因素等不利条件下的道路路基。
岩堆路基是山区公路建设中遇到的特殊路基形式。
The cliff debris subgrade is a special type of subgrade in mountainous highway construction.
路基土石方工程包括：填方路基、挖方路基和特殊路基处理及其有关的作业。
Subgrade earthwork and rockwork shall include: fill subgrade earthwork, cut subgrade, special subgrade treatment and other relevant activities.
通过对太佳高速公路一般路基、特殊路基、防护、排水等设计进行分析介绍，提出一些设计思路和想法，供大家参考和探讨。
The paper analyzed the design of common subgrade, special subgrade, protection and drainage etc. in Taijia Expressway, and proposed some design thoughts and ideas for reference.
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